CN112013192A

CN112013192A - Connecting sealing joint for plastic pipeline with smooth surface

Info

Publication number: CN112013192A
Application number: CN202010934270.5A
Authority: CN
Inventors: 陈永委; 徐广文; 胡召举; 陈康锋; 许海亮; 谭利平; 彭军
Original assignee: Guangdong Tongsu Pipeline Co ltd
Current assignee: Guangdong Tongsu Pipeline Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2020-12-01

Abstract

The invention provides a connecting sealing joint for a plastic pipeline with a smooth surface. The pipe body, a limiting ring fixedly arranged on the plastic pipeline and an external thread arranged on the plastic pipeline; two annular ridges, the two annular ridges being provided on the tube body; a first seal ring movably mounted within the annular ridge; the internal thread is arranged on the first sealing ring and is matched with the external thread. The connecting and sealing joint for the plastic pipeline with the smooth surface has the advantages of convenience in use, good sealing effect, simplicity in installation and difficulty in falling off.

Description

Connecting sealing joint for plastic pipeline with smooth surface

Technical Field

The invention relates to the technical field of pipeline production, in particular to a connecting sealing joint for a plastic pipeline with a smooth surface.

Background

Plastic pipes with flat surfaces are used for fluid transfer, but because of the flat surfaces, the pipes are difficult to seal when being connected, and the pipes are easy to fall off and leak after long-term use.

Therefore, there is a need to provide a new joint for connecting and sealing plastic pipes with smooth appearance to solve the above technical problems.

Disclosure of Invention

The invention solves the technical problem of providing a connecting and sealing joint for plastic pipelines with smooth surfaces, which has the advantages of convenient use, good sealing effect, simple installation and difficult falling-off.

In order to solve the above technical problems, the present invention provides a connection sealing joint for a plastic pipe having a smooth outer surface, comprising: the pipe body, a limiting ring fixedly arranged on the plastic pipeline and an external thread arranged on the plastic pipeline; two annular ridges, the two annular ridges being provided on the tube body; a first seal ring movably mounted within the annular ridge; the internal thread is arranged on the first sealing ring and is matched with the external thread.

Preferably, both ends of the tube body are trumpet-shaped.

Preferably, fixed mounting has the metal block on the first sealing washer, the thread groove has been seted up on the metal block, positioning bolt is installed to the screw thread on the body, positioning bolt and the inner wall threaded connection of thread groove, fixed mounting has the handle on the positioning bolt, pipe internal symmetry fixed mounting has two second sealing washers, the equal fixed mounting in both ends of body has the becket, slidable mounting has solid fixed ring on the becket, fixed mounting has the third sealing washer in the fixed ring, third sealing washer and body looks adaptation.

Preferably, a plurality of cavitys have been seted up to the symmetry on the becket, rotate in the cavity and install the screw sleeve, the threaded rod is installed to screw sleeve internal thread, the threaded rod rotates with solid fixed ring to be connected, fixed cover is equipped with the gear on the screw sleeve, the gear extends to outside the cavity, it installs the change to rotate on the becket, fixed mounting has the ring gear on the change, ring gear and gear engagement.

Preferably, a rotating hole is formed in the inner wall of one side of the cavity, a bearing is fixedly sleeved on the threaded sleeve, and the outer ring of the bearing is fixedly connected with the inner wall of the rotating hole.

Preferably, one end of the threaded rod, which is far away from the fixing ring, is fixedly provided with a limiting block.

Preferably, a plurality of mounting grooves have been seted up on the solid fixed ring, fixed mounting has the slide bar in the mounting groove, slidable mounting has the connecting rod on the slide bar, the sliding sleeve is equipped with the spring on the slide bar, the both ends of spring respectively with the inner wall and the connecting rod fixed connection of mounting groove, fixed mounting has the fixed plate on the connecting rod, slidable mounting has the transfer line in the mounting groove, transfer line and connecting rod sliding connection, gu the sliding sleeve is equipped with the annular piece on the fixed ring, a plurality of chutes have been seted up on the inner wall of annular piece, the inner wall and the transfer line sliding connection of chute, gu the threaded mounting has the nut on the fixed ring, the nut contacts with the.

Preferably, the connecting rod is provided with a first inclined plane, the transmission rod is provided with a second inclined plane, and the first inclined plane is connected with the second inclined plane in a sliding mode.

Preferably, a third inclined plane is arranged on the transmission rod and is in sliding connection with the inner wall of the chute.

Preferably, the fixing plate is arc-shaped.

Compared with the related art, the connection sealing joint for the plastic pipeline with the smooth surface has the following beneficial effects:

the invention provides a connecting and sealing joint for a plastic pipeline with a smooth surface, wherein two annular bulges are arranged on a pipe body, a first sealing ring is movably arranged in the annular bulges, an internal thread is arranged on the first sealing ring, and the internal thread is matched with the external thread, so that the connecting and sealing joint has a good sealing effect, is convenient to install and connect, and is not easy to fall off.

Drawings

FIG. 1 is a schematic structural view of a first embodiment of a connecting sealing joint for flat-surfaced plastic pipes provided in accordance with the present invention;

FIG. 2 is a schematic structural view of a first embodiment of a connecting sealing joint for flat-surfaced plastic pipes provided in accordance with the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a side view of the structure of FIG. 2;

fig. 5 is a schematic view of the structure of fig. 2 after connection.

Reference numbers in the figures: 1. a pipe body; 2. a limiting ring; 3. an external thread; 4. an annular ridge; 5. a first seal ring; 6. an internal thread; 7. a metal block; 8. a thread groove; 9. positioning the bolt; 10. a handle; 11. a second seal ring; 12. a metal ring; 13. a fixing ring; 14. a third seal ring; 15. a cavity; 16. a threaded bushing; 17. a threaded rod; 18. a gear; 19. rotating the ring; 20. a toothed ring; 21. mounting grooves; 22. a slide bar; 23. a connecting rod; 24. a spring; 25. a fixing plate; 26. a transmission rod; 27. a ring block; 28. a chute; 29. and (4) a nut.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

First embodiment

Referring to fig. 1, the joint sealing joint for plastic pipes with flat outer surfaces comprises: the pipe comprises a pipe body 1, a limiting ring 2 fixedly arranged on a plastic pipeline and an external thread 3 arranged on the plastic pipeline; two annular ridges 4, wherein the two annular ridges 4 are arranged on the tube body 1; the first sealing ring 5 is movably arranged in the annular bulge 4; internal thread 6, internal thread 6 sets up on the first sealing washer 5, just internal thread 6 and 3 looks adaptations of external screw thread can be connected pipeline and body 1 through external screw thread 3 and internal thread 6, and the effectual drop that prevents just sealed effectual.

Both ends of the pipe body 1 are trumpet-shaped, so that the pipe can be conveniently inserted.

The working principle of the connecting sealing joint for the plastic pipeline with the flat appearance provided by the invention is as follows:

during the use, connect two pipelines with body 1 through internal thread 6 and external screw thread 3, can effectually keep sealed, and can prevent to drop.

the invention provides a connecting and sealing joint for a plastic pipeline with a smooth surface, wherein two annular bulges 4 are arranged on a pipe body 1, a first sealing ring 5 is movably arranged in the annular bulges 4, an internal thread 6 is arranged on the first sealing ring 5, and the internal thread 6 is matched with an external thread 3, so that the connecting and sealing joint has a good sealing effect, is convenient to install and connect and is not easy to fall off.

Second embodiment

Referring to fig. 2-5, the connecting and sealing joint for plastic pipes with smooth exterior further includes a metal block 7, the metal block 7 is fixedly installed on a first sealing ring 5, a thread groove 8 is formed on the metal block 7, a positioning bolt 9 is threadedly installed on the pipe body 1, the positioning bolt 9 is threadedly connected with an inner wall of the thread groove 8, a handle 10 is fixedly installed on the positioning bolt 9, two second sealing rings 11 are symmetrically and fixedly installed in the pipe body 1, metal rings 12 are fixedly installed at both ends of the pipe body 1, a fixing ring 13 is slidably installed on the metal ring 12, a third sealing ring 14 is fixedly installed in the fixing ring 13, the third sealing ring 14 is adapted to the pipe body 1, the first sealing ring 5 can be fixed to prevent the first sealing ring 5 from rotating, and a gap between the pipe and the pipe body 1 can be sealed by the third sealing ring 14 after the pipe is connected, meanwhile, under the action of the second sealing ring 11, the sealing ring can be effectively sealed with the limiting ring 2.

A plurality of cavities 15 have been seted up to the symmetry on the becket 12, threaded sleeve 16 is installed to the 15 internal rotations of cavity, threaded sleeve 16 internal thread installs threaded rod 17, threaded rod 17 rotates with solid fixed ring 13 to be connected, fixed cover is equipped with gear 18 on the threaded sleeve 16, gear 18 extends to outside cavity 15, rotate on the becket 12 and install change 19, fixed mounting has ring gear 20 on the change 19, ring gear 20 and gear 18 meshing can drive threaded rod 17 and rotate and then drive solid fixed ring 13 and be close to the becket 12 motion, improve anti-drop ability and third sealing washer 14's seal ability.

The inner wall of one side of the cavity 15 is provided with a rotating hole, the threaded sleeve 16 is fixedly sleeved with a bearing, the outer ring of the bearing is fixedly connected with the inner wall of the rotating hole, and the rotating friction force of the threaded sleeve 16 is reduced, so that the threaded sleeve can rotate better.

Threaded rod 17 keeps away from the one end fixed mounting who gu fixed ring 13 has the stopper, prevents solid fixed ring 13 and becket 12 separation.

The fixing ring 13 is provided with a plurality of mounting grooves 21, a sliding rod 22 is fixedly mounted in the mounting grooves 21, a connecting rod 23 is arranged on the sliding rod 22 in a sliding way, a spring 24 is sleeved on the sliding rod 22 in a sliding way, both ends of the spring 24 are respectively and fixedly connected with the inner wall of the mounting groove 21 and the connecting rod 23, a fixing plate 25 is fixedly arranged on the connecting rod 23, a transmission rod 26 is arranged in the mounting groove 21 in a sliding manner, the transmission rod 26 is connected with the connecting rod 23 in a sliding way, the fixing ring 13 is sleeved with a ring block 27 in a sliding way, a plurality of inclined grooves 28 are arranged on the inner wall of the annular block 27, the inner wall of each inclined groove 28 is connected with the transmission rod 26 in a sliding way, a nut 29 is threadedly mounted on the fixing ring 13, and the nut 29 is in contact with the ring block 27, so that the pipe can pass through the third packing 14, and, at the same time, after passing through, the third packing 14 is pressed by the fixing plate 25 to be in close contact with the pipe body 1.

The connecting rod 23 is provided with a first inclined surface, the transmission rod 26 is provided with a second inclined surface, and the first inclined surface is connected with the second inclined surface in a sliding mode.

A third inclined surface is arranged on the transmission rod 26, and the third inclined surface is connected with the inner wall of the chute 28 in a sliding manner.

The fixing plate 25 is arc-shaped, and does not affect the installation of the pipeline.

During the use, the nut 29 is rotated, the nut 29 is far away from the annular block 27, under the action of the spring 24, the fixing plate 25 moves away from each other, a pipeline penetrates through the third sealing ring 14 and is inserted into the pipe body 1, the external thread 3 is in threaded connection with the internal thread 6, the nut 29 is rotated reversely, the nut 29 pushes the annular block 27 to move, the transmission rod 26 is extruded through the inner wall of the chute 28, the connecting rod 23 is further driven to move, the fixing plate 25 moves close to each other, the pipeline is clamped, the rotating ring 19 is rotated, the rotating ring 19 drives the toothed ring 20 to rotate, the toothed ring 20 drives the gear 18 to rotate, the gear 18 drives the threaded sleeve 16 to rotate, the threaded sleeve 16 drives the threaded rod 17 to move, the threaded rod 17 pulls the fixing ring 13 and the pipeline to move close.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A connection sealing fitting for a flat-faced plastic pipe, comprising:

the pipe body, a limiting ring fixedly arranged on the plastic pipeline and an external thread arranged on the plastic pipeline;

two annular ridges, the two annular ridges being provided on the tube body;

a first seal ring movably mounted within the annular ridge;

the internal thread is arranged on the first sealing ring and is matched with the external thread.

2. A connection-sealing joint for plastic pipes having smooth surfaces according to claim 1, characterized in that both ends of said pipe body are flared.

3. The connecting and sealing joint for the plastic pipeline with the flat appearance according to claim 1, wherein a metal block is fixedly mounted on the first sealing ring, a thread groove is formed in the metal block, a positioning bolt is threadedly mounted on the pipe body and is in threaded connection with the inner wall of the thread groove, a handle is fixedly mounted on the positioning bolt, two second sealing rings are symmetrically and fixedly mounted in the pipe body, metal rings are fixedly mounted at two ends of the pipe body, fixing rings are slidably mounted on the metal rings, a third sealing ring is fixedly mounted in each fixing ring, and the third sealing ring is matched with the pipe body.

4. The joint of claim 3, wherein the metal ring is symmetrically provided with a plurality of cavities, the cavity is rotatably provided with a threaded sleeve, the threaded sleeve is internally threaded with a threaded rod, the threaded rod is rotatably connected with the fixing ring, the threaded sleeve is fixedly sleeved with a gear, the gear extends out of the cavity, the metal ring is rotatably provided with a rotating ring, the rotating ring is fixedly provided with a toothed ring, and the toothed ring is engaged with the gear.

5. The joint of claim 4, wherein a rotating hole is formed on an inner wall of one side of the cavity, a bearing is fixedly sleeved on the threaded sleeve, and an outer ring of the bearing is fixedly connected with the inner wall of the rotating hole.

6. A connection sealing joint for a plastic pipe with a smooth outer surface according to claim 4, wherein a limiting block is fixedly installed at one end of the threaded rod away from the fixing ring.

7. The connect sealing joint for level and smooth plastic conduit in appearance of claim 3, characterized in that, gu seted up a plurality of mounting grooves on the fixed ring, fixed mounting has the slide bar in the mounting groove, slidable mounting has the connecting rod on the slide bar, the sliding sleeve is equipped with the spring on the slide bar, the both ends of spring respectively with the inner wall and the connecting rod fixed connection of mounting groove, fixed mounting has the fixed plate on the connecting rod, slidable mounting has the transfer line in the mounting groove, transfer line and connecting rod sliding connection, gu fixed ring goes up the sliding sleeve and is equipped with the annular piece, a plurality of chutes have been seted up on the inner wall of annular piece, the inner wall and the transfer line sliding connection of chute, gu fixed ring goes up the threaded mounting and has the nut, the nut contacts with the.

8. A connection sealing joint for smooth appearing plastic conduits as claimed in claim 7 wherein said connecting rod is provided with a first ramp and said transfer rod is provided with a second ramp, said first ramp being slidably connected to said second ramp.

9. A connector sealing fitting for a flat-skinned plastic pipe as in claim 7 wherein the actuator rod is provided with a third ramp, the third ramp being slidably connected to the interior wall of the chute.

10. A connection sealing fitting for a flat-skinned plastic pipe as in claim 7 wherein said anchor plate is arcuate.